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From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Harald Geyer <harald@ccbib.org>,
	Alessandro Zummo <a.zummo@towertech.it>,
	Wim Van Sebroeck <wim@iguana.be>,
	Guenter Roeck <linux@roeck-us.net>,
	linux-watchdog@vger.kernel.org, rtc-linux@googlegroups.com,
	Wolfram Sang <wsa@the-dreams.de>,
	kernel@pengutronix.de, Fabio Estevam <festevam@gmail.com>
Subject: Re: [PATCH 2/2] watchdog: stmp3xxx: Implement GETBOOTSTATUS
Date: Fri, 27 Nov 2015 15:45:48 +0100	[thread overview]
Message-ID: <20151127144548.GA22136@piout.net> (raw)
In-Reply-To: <20151127100254.GR19888@pengutronix.de>

On 27/11/2015 at 11:02:54 +0100, Uwe Kleine-König wrote :
> OK, I found a i.MX28 machine in our repository:
> 
> 	barebox# mw 0x80056080 0xbabecafe
> 	barebox# boot
> 	...
> 	linux# reboot
> 	barebox# md 0x80056080+4
> 	80056080: babecafe
> 
> After a power cycle the value disappears (I didn't check the details, if
> there is a battery it might be empty).
> 

Yeah, you'd have to ensure that the crystal power domain (VDDXTAL) stays powered.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

  parent reply	other threads:[~2015-11-27 14:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-07 12:19 [PATCHv3 1/2] watchdog: stmp3xxx: Stop the watchdog on system halt Harald Geyer
2015-10-07 12:19 ` [PATCH 2/2] watchdog: stmp3xxx: Implement GETBOOTSTATUS Harald Geyer
2015-11-26  9:25   ` Uwe Kleine-König
2015-11-26 13:39     ` Harald Geyer
2015-11-26 16:39       ` Uwe Kleine-König
2015-11-26 23:28         ` Harald Geyer
2015-11-27 10:02       ` Uwe Kleine-König
2015-11-27 10:44         ` Uwe Kleine-König
2015-11-29 10:41           ` Harald Geyer
2015-11-29 11:41             ` Uwe Kleine-König
2015-11-27 14:45         ` Alexandre Belloni [this message]
2015-11-25 22:12 ` [PATCHv3,1/2] watchdog: stmp3xxx: Stop the watchdog on system halt Guenter Roeck
2015-11-26  7:10 ` [PATCHv3 1/2] " Uwe Kleine-König
2015-11-26  9:38   ` Harald Geyer
  -- strict thread matches above, loose matches on Subject: below --
2015-10-02 20:18 [PATCH 1/2] rtc: stmp3xxx: unify register access macros Harald Geyer
2015-10-02 20:18 ` [PATCH 2/2] watchdog: stmp3xxx: Implement GETBOOTSTATUS Harald Geyer
2015-10-03 16:47   ` Alexandre Belloni

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